npm package report

Is webpack-dev-server safe?

webpack-dev-server (npm) has 7 known vulnerabilities, the worst rated HIGH. Upgrade to 5.2.6 or later to clear all of them. No malicious-package signal is recorded.

// reach

75 direct dependencies

17 carry known advisories, worst CRITICAL

65 packages depend on it

an advisory here reaches each of them

Create a free accountfor every dependency path, dependent and what to upgrade

// ai model usage

Tracked for PyPI packages. HuggingFace models declare Python dependencies, so npm packages are not covered.

cvss

7.5

high

CVSS v3.0 base score out of 10

epss

2.5%

medium

chance of exploitation in 30 days, 85th percentile of all CVEs

xyz score

5.0

medium

CyberXYZ composite out of 10

fig. 01 — GHSA-cf66-xwfp-gvc4, the advisory selected below

// 7 advisories

GHSA-cf66-xwfp-gvc4

HIGHGitHub ratingCVE-2018-14732

Versions of webpack-dev-server before 3.1.10 are missing origin validation on the websocket server.

Full advisory text at GitHub advisory or NVD.

// cvss v3.0 vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Attack vector: Network
Attack complexity: Low
Privileges required: None
User interaction: None
Scope: Unchanged
Confidentiality: High
Integrity: None
Availability: None

// questions

Is webpack-dev-server safe to install?

CyberXYZ does not call a package safe in absolute terms. It records 7 known vulnerabilities for webpack-dev-server (npm), the worst rated HIGH, and no malicious-package signal. Whether it is acceptable depends on the version you run.

Does webpack-dev-server have known vulnerabilities?

Yes. CyberXYZ records 7 known vulnerabilities for webpack-dev-server (npm), the worst rated HIGH. These include GHSA-cf66-xwfp-gvc4, GHSA-m28w-2pqf-7qgj, GHSA-f5vj-f2hx-8m93, GHSA-mx8g-39q3-5c79, GHSA-79cf-xcqc-c78w.

Which version of webpack-dev-server should I use?

5.2.6 or later clears every advisory recorded for webpack-dev-server (npm). Check the release you pick before installing it.

How do I check webpack-dev-server before installing?

Search webpack-dev-server in CyberXYZ Check at https://cyberxyz.io/check?q=webpack-dev-server. The xyz Scanner checks a project's dependencies, and CyberXYZ Proxy checks each package as it is installed.

Checked 2026-11-14 at 06:22 UTC. The most recent advisory here was published 2026-07-20. Updated continuously from NVD, GHSA, OSV and CNA feeds.